<template>
  <div class="login-container">
    <el-form class="login-form" autoComplete="on" :model="loginForm" :rules="loginRules" ref="loginForm" label-position="left">
      <!-- 赫能士后台登录系统标题  -->
      <div class="title-container">
        <h3 class="title">{{$t('login.title')}}</h3>
      </div>
      <!-- 用户名的输入 -->
      <el-form-item prop="account">
        <span class="svg-container svg-container_login">
          <svg-icon icon-class="user" />
        </span>
        <el-input name="account" type="text" v-model="loginForm.account" autoComplete="on" placeholder="请输入用户名" />
      </el-form-item>
      <!-- 密码的输入的验证提示 -->
      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <!-- 密码输入框 -->
        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input name="password"
                    :type="passwordType"
                    @keyup.enter.native="handleLogin"
                    v-model="loginForm.password"
                    @blur="capsTooltip = false"
                    autoComplete="on"
                    placeholder="请输入密码"
                    />
          <!-- 点击右侧眼睛图标切换密码显示类型 -->
          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>
      </el-tooltip>
      <el-button type="primary" size="large" style="width:100%;margin-bottom:30px;" v-waves :loading="loading" @click.native.prevent="handleLogin">{{$t('login.logIn')}}</el-button>
    </el-form>
  </div>
</template>

<script>
import store from '@/store'
export default {
  name: 'login',
  data() {
    // 对账号输入框的前端验证
    const validateUsername = (rule, value, callback) => {
      console.log(rule,'rule')
      if(value.trim() == '') {
        // .trim()自动过滤用户输入的首尾空白字符
        callback(new Error('输入的用户名不能为空'))
        console.log(callback,'callback')
      } else {
        callback()
      }
    }
    // 对密码输入框的前端验证
    const validatePassword = (rule, value, callback) => {
        if(value.trim() == '') {
          callback(new Error('输入的密码不能为空'))
        } else {
          if(value.length < 6 || 20 < value.length ) {
            callback(new Error('密码长度必须大于6位且小于20位'))
          } else {
            callback()
          }
        }
        console.log()
    }
    return {
      loginForm: {
        account: '',
        password: ''
      },
      loginRules: {
        account: [{ required: true, trigger: 'blur', validator: validateUsername}],
        password: [{ required: true, trigger: 'blur', validator: validatePassword}]
      },
      passwordType: 'password',
      capsTooltip: false,
      loading: false
    }
  },
  methods: {
    // 切换密码输入框的类型
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(async valid => {
        if (valid) {
          this.loading = true
          try {
             //调用服务器接口
            //  this.$store.commit('csh','初始化')
             await this.$store.dispatch('userLogin', this.loginForm)
             this.loading = false
             this.$router.replace({ path: '/welcome' })
          } catch (error) {
            this.loading = false
          }
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
$bg:#2d3a4b;
$light_gray:#eee;
/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 82%;
    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      &:-webkit-autofill {
        -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: #fff !important;
      }
    }
  }
  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  position: fixed;
  height: 100%;
  width: 100%;
  background-color: $bg;
  .login-form {
    position: absolute;
    left: 0;
    right: 0;
    width: 520px;
    padding: 35px 35px 15px 35px;
    margin: 120px auto;
  }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }
  .svg-container {
    padding: 6px 15px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 38px;
    display: inline-block;
    &_login {
      font-size: 20px;
    }
  }
  .title-container {
    position: relative;
    .title {
      font-size: 26px;
      font-weight: 400;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
    .set-language {
      color: #fff;
      position: absolute;
      top: 5px;
      right: 0px;
    }
  }
  .show-pwd {
    position: absolute;
    right: 10px;
    top: 11px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  .thirdparty-button {
    position: absolute;
    right: 35px;
    bottom: 28px;
  }
}
</style>
